H

AIR synthase related protein (NCBI)
Methyl-coenzyme M reductase I, alpha subunit (NCBI)
Uroporphyrinogen III synthase (NCBI)
NAD+ synthase related protein (NCBI)
probable Molybdenum-pterin binding protein (NCBI)
riboflavin synthase (NCBI)
Conserved hypothetical protein (NCBI)
ATP/GTP-binding site motif A (P-loop):Molybdopterin-guanine dinucleotide biosynthesis protein (NCBI)
nucleoside triphosphate: 5'-deoxyadenosylcobinamide phosphate nucleotidyltransferase (NCBI)
Thiamine biosynthesis protein:THUMP domain (NCBI)